hackitsoon

#include<stdio.h>
#include<conio.h>
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<stdlib.h>
#include<string.h> void embed(void);
void extract(void);
char buff[1],sname[128],tname[128],dname[128],choice;
unsigned long int size=0;long int psize=0;int outh,bytes=0;
FILE *source,*target,*data;
void main()
{
while(1)
{
clrscr();
puts(“\n\n\t\t\tFILE EMBEDDING UTILITY BY SRIKANTH\n\n\n”);
puts(“1.Embed A File 2. Extract A File 3.Exit\n”);
choice=getch();
switch(choice)
{
case ’1′:embed();
getch();
break;
case ’2′:
extract();
getch();
break;
default:
exit(0);
}
}
}
void embed()
{
puts(“\nEnter The Source Filename\n”);
scanf(“%s”,sname);
source=fopen(sname,”rb+”);
if(source==NULL)
{
puts(“\nCannot Open The Source File\n”);
return;
}
puts(“\nEnter The Target Filename\n”);
scanf(“%s”,tname);
outh=open(tname,O_RDONLYO_BINARY);
if(outh==-1)
{
puts(“\nCannot Open The Target File\n”);
return;
}
printf(“\nReading The Source File Please Wait…\n”);
while((bytes=read(outh,buff,1))>0)
size+=bytes;
data=fopen(“Data.cfg”,”w”);
if(data==NULL)
{
puts(“\nCannot Create Configuration The File\n”);
return;
}
fprintf(data,”%lu”,size);
close(outh);
fclose(data);
target=fopen(tname,”rb”);
if(target==NULL)
{
puts(“Cannot Open Target File\n”);
return;
}
printf(“\nEmbedding Please Wait…\n”);
fseek(source,0,SEEK_END);
while(fread(buff,1,1,target)>0)
fwrite(buff,1,1,source);
fcloseall();
printf(“\nEmbedding Completed Successfully\n”);
}
void extract()
{
printf(“\nEnter The Source Filename\n”);
scanf(“%s”,sname);
source=fopen(sname,”rb”);
if(source==NULL)
{
printf(“\nCannot Open The Source File\n”);
return;
}
printf(“\nEnter The Target Filename(eg: abc.exe)\n”);
scanf(“%s”,tname);
printf(“\nEnter The Configuration Filename(eg: DATA.cfg)\n”);
scanf(“%s”,dname);
data=fopen(dname,”r”);
if(data==NULL)
{
printf(“\nConfiguration File Not Found\n”);
return;
}
fscanf(data,”%ld”,&psize);
target=fopen(tname,”wb”);
if(target==NULL)
{
puts(“\nCannot Open The Target File\n”);
return;
}
printf(“\nExtracting Please Wait…\n”);
fseek(source,-psize,SEEK_END);
while((fread(buff,1,1,source))>0)
fwrite(buff,1,1,target);
printf(“\nFile Extraction Completed Successfully\n”);
fcloseall();
}

Example-1:
C:\>net use D: \\219.64.55.112\F
Example-2:
C:\>net use G: \\219.64.55.112\SharedDocs
Example-3:
C:\>net use I: \\219.64.55.112\Myprint

[APP TITLE]
caption=YOUR TEXT